:root{
  --bg:#F5FAFE;--deep:#E7F2FA;--card:#FFFFFF;--soft:#D7EAF6;--title:#16324A;--text:#2A4156;
  --muted:#4E6A80;--assist:#6E8899;--brand:#4AA3E0;--bright:#6BB8EC;--navy:#1B4A6E;--mist:#EAF5FC;
  --border:rgba(74,163,224,.16);--border-strong:rgba(74,163,224,.42);--shadow:0 12px 28px rgba(27,74,110,.08);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.topline{position:fixed;z-index:80;left:0;right:0;top:0;height:22px;background:var(--navy);color:#fff;font-size:12px}
.topline-inner,.masthead-inner,.section-tabs-inner,.footer-inner{max-width:var(--max);margin:0 auto}
.topline-inner{height:22px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}
.topline-search{height:22px;border:0;background:transparent;color:#fff;padding:0 8px;min-width:44px}
.masthead{position:fixed;z-index:79;left:0;right:0;top:22px;height:60px;background:#fff;border-bottom:1px solid var(--border)}
.masthead-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 16px;gap:12px}
.brand-home{justify-self:start;display:flex;align-items:center;min-height:44px;min-width:44px}
.brand-logo,.drawer-logo,.footer-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-size:16px;font-weight:800;color:var(--title)}
.drawer-toggle,.app-link,.drawer-head button,.search-head button{min-height:44px;border-radius:10px;border:1px solid var(--border-strong);background:#fff;color:var(--navy);padding:0 16px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.drawer-toggle{justify-self:center}.app-link{justify-self:end}
.section-tabs{position:fixed;z-index:78;left:0;right:0;top:82px;height:40px;background:var(--mist);border-bottom:1px solid var(--border)}
.section-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 16px}
.tab-link{height:32px;min-width:76px;padding:0 16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--navy)}
.tab-link.is-current{background:var(--brand);color:#fff}
.site-main{padding-top:122px;min-height:60vh}
.page-shell{max-width:var(--max);margin:0 auto;padding:28px 16px 54px}
.hero-card,.content-card,.feature-card,.legal-card,.faq-card,.note-card,.index-card{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}
.hero-card{padding:20px;margin-bottom:24px}
.eyebrow{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.06em}
h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}
h2{font-size:20px;line-height:1.45;color:var(--title);margin:0 0 10px}
h3{font-size:16px;line-height:1.5;color:var(--title);margin:0 0 8px}
p{margin:0 0 12px}.lead{font-size:16px;color:var(--muted);max-width:860px}
.media-slot{width:100%;background:var(--mist);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-slot.banner{height:260px}.media-slot.card-image{height:180px}.media-slot.section-image{height:200px}.media-slot.app-visual{height:min(360px,70vh)}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff;border:1px solid transparent}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid var(--border-strong)}
.btn:hover,.tab-link:hover,.app-link:hover,.drawer-toggle:hover{transform:translateY(-1px)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(74,163,224,.34);outline-offset:2px}
.section-block{margin:30px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-heading p{color:var(--assist);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.feature-card,.content-card,.index-card,.legal-card{padding:16px}.feature-card .media-slot{margin-bottom:14px}
.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:start;padding:14px;background:#fff;border:1px solid var(--border);border-radius:12px}.number-item .num{font-size:24px;line-height:1;color:var(--brand);font-weight:900}
.shelf-list{display:grid;gap:10px}.shelf-item{display:grid;grid-template-columns:130px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:12px}.shelf-tag{color:var(--brand);font-size:13px;font-weight:800}.shelf-item span:last-child{color:var(--assist);font-size:13px}
.timeline{position:relative;display:grid;gap:14px;padding-left:24px}.timeline:before{content:"";position:absolute;left:7px;top:7px;bottom:7px;width:2px;background:var(--soft)}.timeline-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 16px}.timeline-item:before{content:"";position:absolute;left:-23px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--mist)}.status{display:inline-flex;padding:2px 8px;border-radius:999px;background:var(--mist);color:var(--navy);font-size:12px;font-weight:800}
.prose{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px}.prose p{margin-bottom:15px}.prose ul{padding-left:1.2em}.prose li{margin:7px 0}.prose h2{margin-top:26px}.prose h2:first-child{margin-top:0}
.info-strip{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.info-strip span{background:var(--mist);color:var(--navy);border:1px solid var(--border);border-radius:999px;padding:5px 10px;font-size:13px}
.app-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,380px);gap:22px;align-items:start}.icon-row{display:flex;align-items:center;gap:12px}.icon-row img{width:48px;height:48px;object-fit:contain}.icon-placeholder{width:48px;height:48px;border-radius:12px;background:var(--mist);border:1px solid var(--border)}
.faq-list{display:grid;gap:12px}.faq-card h2{font-size:16px}.faq-card{padding:16px}.faq-card p:last-child{margin-bottom:0}
.site-footer{background:var(--navy);color:#E7F2FA;border-top:1px solid rgba(234,245,252,.28)}
.footer-inner{padding:30px 16px 26px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand div{display:flex;gap:10px;align-items:baseline}.footer-brand span{font-size:13px;color:#D7EAF6}.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.footer-columns h2{font-size:14px;color:#fff;margin-bottom:8px}.footer-columns a{display:block;font-size:13px;color:#E7F2FA;padding:5px 0}.footer-note,.footer-copy{font-size:13px;color:#D7EAF6;margin-top:18px;max-width:900px}
.page-overlay{position:fixed;z-index:95;inset:0;background:rgba(22,50,74,.36);opacity:0;pointer-events:none;transition:opacity .18s ease}.page-overlay.is-visible{opacity:1;pointer-events:auto}
.drawer-panel{position:fixed;z-index:100;top:0;right:0;width:400px;max-width:86vw;height:100dvh;background:#fff;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;box-shadow:-18px 0 38px rgba(27,74,110,.18)}
.drawer-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:70px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-scroll{height:calc(100dvh - 70px);overflow:auto;padding:16px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:13px;color:var(--assist);margin-bottom:8px}.drawer-group a{display:grid;grid-template-columns:78px 1fr;gap:10px;padding:10px 8px;border-radius:10px}.drawer-group a:hover{background:var(--mist)}.drawer-group b{color:var(--title)}.drawer-group span{font-size:13px;color:var(--muted)}
.search-layer{position:fixed;z-index:99;left:0;right:0;top:82px;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease,visibility .18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:720px;margin:10px auto;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:16px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.search-head div{display:flex;flex-direction:column}.search-head span{font-size:13px;color:var(--muted)}.search-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.search-card input{width:100%;height:44px;border:1px solid var(--border-strong);border-radius:10px;padding:0 12px;color:var(--title);background:#fff}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.search-presets a{min-height:40px;padding:0 14px;border:1px solid var(--border);border-radius:10px;display:inline-flex;align-items:center;background:var(--mist);color:var(--navy);font-weight:700}.search-empty{font-size:13px;color:var(--muted);margin-top:12px}
.mobile-bottom{display:none}
@media (max-width:860px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}.app-layout{grid-template-columns:1fr}.footer-columns{grid-template-columns:1fr 1fr}.shelf-item{grid-template-columns:1fr}.shelf-item span:last-child{justify-self:start}}
@media (max-width:640px){
  body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.section-tabs{display:none}.site-main{padding-top:82px}.page-shell{padding:20px 16px 38px}.masthead-inner{grid-template-columns:1fr auto 1fr;gap:6px}.drawer-toggle,.app-link{padding:0 10px}.brand-logo{height:26px}.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}.media-slot.banner{height:260px}.section-heading{align-items:start;flex-direction:column}.search-layer{top:0;bottom:0;background:var(--navy)}.search-layer.is-open{display:block}.search-card{height:100%;max-width:none;margin:0;border:0;border-radius:0;background:var(--navy);color:#fff;padding:22px 16px}.search-head strong,.search-head span,.search-label{color:#fff}.search-head button{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.search-card input{background:#fff}.search-presets a{background:#fff;border-color:#fff}.search-empty{color:#E7F2FA}.mobile-bottom{position:fixed;z-index:77;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--navy)}.mobile-bottom a.is-current{background:var(--brand);color:#fff}.footer-inner{padding-bottom:78px}.drawer-panel{width:86vw}.number-item{grid-template-columns:44px 1fr}.hero-card,.prose{padding:16px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.mt-14{margin-top:14px}